Results 21 to 30 of about 3,221 (159)
Nature Conservation Research: Заповедная наука, 2018 The most important stage of keeping seals in captivity conditions is training of pups which have finished breastfeeding to feed on solid food (fattening).
Alexander A. Zaytsev +8 more
doaj +1 more source
On the dynamics and selective transport of fatty acids and organochlorines in lactating grey seals (Halichoerus grypus) [PDF]
, 2010 This thesis examines fatty acid (FA) and polychlorinated biphenyl (PCB) dynamics in a marine top predator, the grey seal (Halichoerus grypus,) and their transfer during lactation from mother to offspring.
Arriola Ortiz, Aline
core +2 more sources
Demographic Parameters for Norwegian Grey Seals Halichoerus grypus
Fauna Norvegica, 1991 Demographic parameters for Norwegian Grey seals are estimated based on samples collected at breeding grounds. The material seems to be biased towards females with pups. In order to get more representative material and thereby more reliable estimates, it
Øystein Wiig
doaj +1 more source
Liver histopathology of Baltic grey seals (Halichoerus grypus) over three decades
Environment International, 2020 The liver plays an important role in the metabolism and elimination of endogenic and exogenic lipid-soluble compounds. Multiple studies have shown that polychlorinated biphenyls (PCB) and dichlorodiphenyl trichloroethane (DDT) lead to morphological ...
Britta Schmidt +6 more
doaj +1 more source
MethodsX, 2018 • The aim of this work was to develop the methods of determination for phenol derivatives: bisphenol A (BPA), 4-tert-octylphenol (OP) and 4-nonylphenol (NP), in the whole body of herring Clupea harengus and in physiological fluids of the Baltic grey seal
Marta Staniszewska +3 more
doaj +1 more source
There and back again – The return of the nasal mite Halarachne halichoeri to seals in German waters
International Journal for Parasitology: Parasites and Wildlife, 2019 The nasal mite Halarachne halichoeri (Acari; Halarachnidae) is adapted to live in the marine environment with pinnipeds as its primary host and can cause different levels of upper respiratory disease in both harbour seals (Phoca vitulina) and grey seals (
Anja Reckendorf +5 more
doaj +1 more source
The pathology and occurrence of pathogens in Scottish grey seals (Halichoerus grypus). [PDF]
, 2014 Neonatal mortality in grey seals on the Isle of May breeding colony and in a rehabilitation centre were investigated by detailed systematic post-mortem examinations (n=59), on-site bacteriology and advanced molecular diagnostic techniques for specific ...
Baily, Johanna L.
core +2 more sources
Behavioral evidence of thermal stress from overheating in UK breeding gray seals [PDF]
, 2002 Gray seals (Halichoerus grypus) in the UK exhibit clear preferences for pupping close to pools of water on inland breeding sites. The reasons for this are unclear as seals are thought to derive all their water requirements from the metabolism of fat ...
Redman, P. +11 more
core +1 more source
Grey seal maternal attendance patterns are affected by water availability on North Rona, Scotland [PDF]
, 2001 Previous studies on grey seals (Halichoerus grypus) have shown that pools of water influence female distribution within inland breeding colonies. This study reveals that the availability of pools also affects maternal attendance patterns and may have ...
Paula Redman +8 more
core +1 more source
MicrobiologyOpen, 2022 Gray seals (Halichoerus grypus) can act as sentinel species reflecting the condition of the environment they inhabit. Our previous research identified strains of pathogenic Campylobacter and Salmonella, originating from both human and agricultural animal
Craig A. Watkins +7 more
doaj +1 more source